Earweal QY7 Bluetooth 4.0 Wireless Stereo Noise Cancelling Headphones with Microphone Earweal Wireless Bluetooth Headphones especially designed to offer you the best experience of enjoy music while you are doing sports,which are equipped with CSR Bluetooth V4.0 +EDL and DSP Noise cancellation technology. It's really excellent that the earphones will stay in your ears comfirtable due to its diminutive size, which maybe the smallest size within the similar products, in data as 60% lighter than the competition. They have all the features you need: Mini Size, Super light weight, and great sound quality. The chord is just about the right length, easy to connect to Bluetooth that allows you to enable hands-free talking. Sweat-proof, waterproof durable design, Onscreen Battery Meter, Up to 5 hours of Talk/Playing Time and 151 hours Standby Time Compatible with Iphone 6 / 6plus / 5s / 5c / 4s / 4, Ipad 2 / 3 / 4 / New Ipad, Ipod, Android, Samsung Galaxy Smart Phones, Bluetooth Devices